AddUser malware family

AddUser is a malware family tracked by MalwareAnalyzer by Cyble across 4 publicly analyzed samples. First seen 2026-08-04, most recently 2026-08-04. Observed ATT&CK techniques include T1112, T1543.003, T1105.

Corpus statistics

ATT&CK techniques used by AddUser

Extracted command-and-control infrastructure

Recent AddUser samples

Frequently asked about AddUser

What is AddUser?
AddUser is a malware family tracked by MalwareAnalyzer by Cyble across 4 publicly analyzed samples. First seen 2026-08-04, most recently 2026-08-04. Observed ATT&CK techniques include T1112, T1543.003, T1105.
How many AddUser samples have been analyzed?
MalwareAnalyzer by Cyble holds 4 publicly analyzed samples attributed to AddUser, first seen 2026-08-04 and most recently 2026-08-04. This counts public submissions to this platform only, so it is a measure of what we have seen rather than of the family's total prevalence.
What MITRE ATT&CK techniques does AddUser use?
Across our AddUser samples the most frequently observed techniques are T1112 (4), T1543.003 (4), T1105 (2). Counts are the number of analyzed samples in which each technique was observed.
What file types does AddUser use?
AddUser samples in this corpus are distributed as pe (4).
Does AddUser use command-and-control infrastructure?
Yes. 1 distinct command-and-control indicator has been extracted from AddUser samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
Is AddUser malicious?
4 of 4 analyzed AddUser samples were scored malicious by the fused verdict, which combines multi-engine static scanning, YARA and hash reputation with behavior captured during real sandbox detonation. Each report lists every signal that contributed to its score.

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